title: Is routine ultrasound guidance for central line placement beneficial? A prospective analysis.
mesh_terms: D000328:Adult; D000368:Aged; D000369:Aged, 80 and over; D002405:Catheterization, Central Venous / Q000009:adverse effects / Q000379:methods*; D006801:Humans; D007362:Intensive Care Units; D007601:Jugular Veins; D008297:Male; D008875:Middle Aged; D011446:Prospective Studies; D014463:Ultrasonography / Q000379:methods